Portfolio

I'm Joy. I build games in Unity — five years of C# gameplay work, with shipped titles on mobile and PC — and I trained as a character artist alongside it, with a Master's in Computer Animation for Games and Films.

Clear Waters — shark AI (Unity 3D group prototype)

A diving game where you clear waste from the seabed before your oxygen runs out. My part was the shark, both halves of it: I modelled, textured, rigged and animated it from scratch, then wrote its behaviour — patrol and detection AI driven by a mood system tied to how much of its habitat you've cleaned up. It runs angry → irritated → calm → friendly, and each step slows its detection until, at friendly, it stops caring about you altogether. The clip below shows both ends of that: in the first run the shark catches the diver mid-clean; in the second the player wins it over and it swims straight past. The debug feed running alongside shows the mood states updating live.

Gameplay reel — shipped titles

Footage from 2D games I built for clients over five years: gameplay systems, AI behaviours, physics, UI, and the optimisation work underneath them.

Character piece

A short character study made for practice — sculpted, retopologised, dressed, textured and rigged from scratch, with motion retargeted through Mixamo on a pre-built stage. The music is an unlicensed placeholder, so it lives on Drive rather than YouTube. Watch it here.

Production logs

I keep a working log when I build. Two from my Master's:

Sword and Demon — a stylised creature and a hard-surface sword, each taken from concept through sculpt, retopology, UVs, Substance texturing and Arnold rendering. Read it.

Gameplay animation pack — a five-cycle set (walk, idle, jump, dash, run): how I plan a cycle, what I reference, where the tricky parts were. Read it.

Elsewhere

Upwork — client work and reviews · LinkedIn · mdraisalkabirjoy@gmail.com

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Final Workflow Part IV - Run Animation Cycle

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 So, the last animation in the list is the run animation. This one uses the fewest frames of the set — a full sprint has almost no ease-in or ease-out compared with the other cycles, where I had to build a lot of easing between each transition. Everything happens fast, so the cycle reads better lean.                                 If I take it further, the skirt is where I'd spend the time — there are a couple of angles I'd give one more cleanup pass. Otherwise I'm happy with how it landed.
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Final Workflow Part III - Dash Animation Cycle

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 So, after having fun with the jump animation. The next thing on my list was the dash animation. For my workflow, I like to try a completely different or irrelevant part of the project after completing one part of my project because working on similar things for a long time can sometimes feel a bit boring. For example, if I started working on Run animation right after finishing my walk animation, the whole workflow process would feel a bit redundant as the walk and run have almost similar body movement and mechanics. But jumping up and dashing forward are two completely different sets of movements. This not only helps me stay motivated, but I feel like it also helps me practice variety of things one after another and compare the difference of different kinds of animation as the memory from making the previous animation is still pretty fresh when I'm trying something different. Another benefit is, I'll be able to see if I can retain the lessons for longer period of time (For exa...
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Conclusion

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For any project that I do, I always divide it into smaller parts first and then apply a simple linear approach to each part one after another that is: start one with primary idea -> finish primary idea -> experiment with small details -> finalize -> next part  Fortunately, for this project, the part division was already done as each animation was separate and I took one animation, applied this approach then moved onto the next one. I enjoyed working on the project very much because of the variety of ideas I was able to try and experiment with within such a short time and scope. With more time I'd take two things further: facial animation, and a final cloth pass. But I'm happy with where the set landed as a complete gameplay pack.          Like I described during my journey, I'd like to try some other ideas and animation with similar theme, I might even make some more animation with this rig in the future. If I do, I'll add them to this...
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